Multiresolution Advection in HYDRA

HYDRA simulations play an important role in designing, analyzing, and understanding inertial confinement fusion and high energy density physics experiments at the National Ignition Facility and elsewhere. Many such calculations have been enabled or made dramatically less expensive by the multiresolution Lagrangian evolution capability added to HYDRA in the 1990's. Certain classes of simulations, particularly higher resolution ones, have required users to remap the calculation to a different mesh topology mid-run, which can be problematic for a variety of reasons. This presentation will cover the recent implementation and verification of a new multiresolution advection capability designed to eliminate the need for this remapping along with results from the first calculations to utilize it.